Finding the Fourth Proportional to 64,906.79, 89,579.59 and 37,677.06

Step by Step Solution

1. Step 1: Write the proportion equation
   64,906.79 : 89,579.59 = 37,677.06 : x
2. Step 2: Convert to fraction form
   64,906.79/89,579.59 = 37,677.06/x
3. Step 3: Cross multiply
   64,906.79x = 89,579.59 × 37,677.06
4. Step 4: Simplify right side
   64,906.79x = 3,375,095,493.01
5. Step 5: Solve for x
   x = 3,375,095,493.01/64,906.79
6. Step 6: Final answer
   x = 51,999.12